# DLA-3990-1: avahi security update

DLA-3990-1, released December 9, 2024, fixes 1 CVE in avahi (version 0.8-5+deb11u3). None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/dla-3990-1
- Platform: Linux
- Released: Dec 9, 2024
- Priority: Routine (Closes CVE-2023-1981)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2023-1981

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [avahi](https://patchblox.com/security/data/product/linux/avahi.md) | Debian 11.6 (bullseye) | 0.8-5+deb11u3 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-1981](https://patchblox.com/security/data/cve/CVE-2023-1981.md) | Routine | avahi: Avahi is an implementation of the DNS Service Discovery and Multicast DNS specifications for Zero Configuration Netwo... | 6.2 | 0.0039 |  |

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Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo